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Re: [ontolog-forum] Ontolog Invited Speakers - Mr. Jack Park & Mr. Patr

To: "[ontolog-forum]" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: "Peter P. Yim" <peter.yim@xxxxxxxx>
Date: Wed, 26 Apr 2006 10:32:57 -0700
Message-id: <444FAEC9.7060807@xxxxxxxx>
*REMINDER*    (01)

The Jack Park / Patrick Durusau talk is coming up tomorrow. 
Register now (by e-mailing me offline), if you are planning to 
attend and haven't already done so.    (02)

I look forward to having you at the session.    (03)

Regards.  =ppy
--    (04)

Peter P. Yim wrote Fri, 21 Apr 2006 00:50:42 -0700:
> We are pleased to announce that Mr. Jack Park (SRI) and Dr. Patrick 
> Durusau (NCITS/V1) will be presenting to the community on Thursday, 
> April 27, 2006. Their talk is entitled: "Avoiding Hobson's Choice In 
> Choosing An Ontology"
> This is the 3rd event in our series of talks and discussions the revolve 
> around the topic: "Ontologizing the Ontolog Body of Knowledge" during 
> which this community will explore the "what's" and "how's" to the 
> development of a semantically interoperable application, using the 
> improved access to the content of Ontolog as a case in point.
>     (05)

> *Conference call-in details*:
> Date: Thursday, Apr. 27, 2006
> Start Time:  10:30 AM PDT / 1:30 PM EDT / 17:30 UTC
>   (World Time:
> Session Duration: ~2 Hours
> Dial-in Number: +1-641-696-6600 (Iowa)
> Participant Access Code: "686564#"
> VNC shared-screen support available
>     (06)

> Topic: *Avoiding Hobson's Choice In Choosing An Ontology*
>     (07)

> *Abstract*: (by Jack Park & Patrick Durusau)    (08)

> Most users of ontologies have either participated in the development of 
> the ontology they use and/or have used it for such a period of time that 
> they have taken ownership of it. Like a hand that grows to fit a tool, 
> users grow comfortable with "their" ontology and can use another only 
> with difficulty and possibly high error rates.
> When agencies discuss sharing information, the tendency is to offer 
> other participants a "Hobson's Choice" of ontologies. "Of course we will 
> use ontology X." which just happens to be the ontology of the speaker. 
> Others make similar offers. Much discussion follows. But not very often 
> effective integration of information.
> In all fairness to the imagined participants in such a discussion, 
> unfamiliar ontologies can lead to errors and/or misunderstandings that 
> may actually impede the interchange, pardon, the accurate interchange 
> information. Super-ontologies don't help much when they lack the 
> granularity needed for real tasks and simply put off the day of 
> reckoning when actual data has to move between agencies.
> The Topic Maps Reference Model is a paradigm for constructing a mapping 
> of ontologies that enables users to use "their" ontologies while 
> integrating information that may have originated in ontologies that are 
> completely foreign or even unknown to the user. Such mappings can 
> support full auditing of the process of integrating information to 
> enable users to develop a high degree of confidence in the mapping.
> Topic maps rely upon the fact that every part of an ontology is in fact 
> representing a subject. And the subject that is being represented is 
> known from the properties of those representatives. Such representatives 
> are called subject proxies in the Topic Maps Reference Model. Those 
> properties are used as the basis for determining when two or more 
> subject proxies represent the same subject. Information from two or more 
> representatives of the same subject can be merged together, providing 
> users with information about a subject that may not have been known in 
> their ontology.
> Park and Durusau explore the philosophical, theoretical and practical 
> steps needed to avoid a Hobson's Choice in ontology discussions and to 
> use the Topic Maps Reference Model to effectively integrate information 
> with a high degree of confidence in the results. All while enabling 
> users to use the ontology that is most familiar and comfortable for them.
>     (09)

> *About the Speakers*:    (010)

> *Mr. Jack Park* is a research scientist in the AI Laboratory at SRI, 
> International in Menlo Park. He works with Adam Cheyer's integration 
> team on the DARPA-funded CALO project, where he created the prototype 
> from which the team evolved the IRIS desktop knowledge workstation. 
> During employment with VerticalNet, Park served on the XTM Authoring 
> Committee which created the XTM topic maps specification, now a part of 
> the ISO 13250 Topic Maps standard. In a former life, while serving as 
> the president of the American Wind Energy Association, Park was 
> constructing microprocessor-based weather stations used for siting wind 
> energy farms and in agricultural applications. The massive amounts of 
> data being collected by those stations led to investigations into AI 
> applications in data mining and data organization. Ontologies and 
> inference engines naturally followed. Park has crafted Java-based 
> inference engines for a large banking enterprise, a clinical informatics 
> enterprise, and participated in the construction of the VerticalNet B2B 
> ontology editor. Park authored _The Wind Power Book_ in 1981, and 
> co-authored and edited _XML Topic Maps: Creating and Using Topic Maps 
> for the Web_, published in 2002. He has taught university courses in 
> renewable energy resources in the U.S., and lectured on those subjects 
> in the U.S., parts of Europe and Africa. He spends most of his time now 
> evolving applications for subject maps related to the Douglas Engelbart 
> call for continuous improvement of human capabilities.    (011)

> *Dr. Patrick Durusau* is the Chair of V1, the US Technical Advisory 
> Group (TAG) to ISO/IEC JTC 1/SC 34, the committee responsible for the 
> development of the Topic Maps family of standards. He is a co-editor of 
> ISO 13250-5, the Topic Maps Reference Model. . . . In the Fall of 2006 
> he will be teaching what is thought to be the first graduate course 
> devoted exclusively to topic maps at the School of Library and 
> Information Science at the University of Illinois at Urbana-Champaign. . 
> . . He is deeply interested in the integration diverse information 
> systems (including ontologies) while preserving the ability of users to 
> identify the subjects of their conversations in ways that work best for 
> them.
> *Refer to details on the session wiki page at*:
> http://ontolog.cim3.net/cgi-bin/wiki.pl?ConferenceCall_2006_04_27
> This will be a virtual session over an augmented conference call. The 
> session is expected to start with 45 min. ~ 1 Hour presentation followed 
> by an extended discussion between the participants and the speaker. The 
> entire session will be recorded and made available as open content under 
> the prevailing Ontolog IPR policy (see: 
> http://ontolog.cim3.net/cgi-bin/wiki.pl?WikiHomePage#nid32).
> As usual, this Ontolog event is open to all. I look forward to having 
> you at this session. Please pass the announcement along to those who 
> might be interested to join us too.
> *RSVP* by by emailing me at <peter.yim@xxxxxxxx> offline.
> Regards. =ppy
> Peter P. Yim
> Co-convener, Ontolog
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